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48187235538 = 23213205928357
BaseRepresentation
bin101100111000001011…
…101101110011010010
311121101020210012021100
4230320023231303102
51242141413014123
634045323405230
73324060513111
oct547013556322
9147336705240
1048187235538
1119488490302
129409983816
13470c330a30
142491a93c78
1513c0669643
hexb382edcd2

48187235538 has 24 divisors (see below), whose sum is σ = 112436883468. Its totient is φ = 14826841632.

The previous prime is 48187235533. The next prime is 48187235581. The reversal of 48187235538 is 83553278184.

48187235538 is a `hidden beast` number, since 4 + 8 + 1 + 8 + 72 + 35 + 538 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47490433929 + 696801609 = 217923^2 + 26397^2 .

It is not an unprimeable number, because it can be changed into a prime (48187235533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102963945 + ... + 102964412.

Almost surely, 248187235538 is an apocalyptic number.

48187235538 is an abundant number, since it is smaller than the sum of its proper divisors (64249647930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48187235538 is a wasteful number, since it uses less digits than its factorization.

48187235538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205928378 (or 205928375 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 48187235538 in words is "forty-eight billion, one hundred eighty-seven million, two hundred thirty-five thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 205928357 411856714 617785071 1235570142 1853355213 2677068641 3706710426 5354137282 8031205923 16062411846 24093617769 48187235538